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Keywords from Image Description:
The smelter at Black Hawk Colo NYPL bGF ZF. en The smelter at Black Hawk Colo nypl org Scan by NYPL The smelter at Black Hawk Colo Views on Colorado Central from Black Hawk to Central City Central City Colo The Miriam and Ira Wallach Division of Art Prints and Photographs Photography Collection ecfdfdabc GFZF Robert Dennis collection